5ml冷冻管，印刷毕业，散装包装
材质：PP
用于蒸馏液体或有机物，或回流冷凝。
使用范围：蒸汽温度超过140摄氏度，用空气冷凝器，温度低于140摄氏度，带有直冷凝管。
冷凝管通常用于在蒸馏瓶或瓶收集冷凝水的回流条件下进行实验。内管内壁上的蒸气冷凝。具有蒸汽吸热热的陆地封闭空间的内外管将具有这种移动功能。入口通常水压较高，为防止水分流失，塑料管应捆扎在一起。当在回流条件下使用时，下玻璃冷凝管插入橡胶塞，以便进入烧瓶口，在烧瓶内进行蒸汽蒸发。

5ml Freezing Tube, Printed Graduation, Bulk Pack
Material: PP
For the distillation liquid or organic preparation, or reflux condensation.
Use scope: Steam temperature more than 140 degrees Celsius, with air condenser, the temperature is less than 140 degrees Celsius, with a straight condensing tube.
The condensation tube is generally used to want to do the experiment in reflux condition to distillation flask or bottle collecting condensation water on the. Vapor condensation on the inner wall of the inner tube. The inner and outer pipe which is enclosed space for land with steam heat absorption and heat will this move function. There is usually a high water pressure at the inlet, in order to prevent water loss, plastic pipe should be tied in bundles. When used in reflux condition, the lower glass condensing tube to insert a rubber plug, in order to into the flask mouth, undertake inside the flask to vapor evaporation.